<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS的盒模型属性-border</title>
    <style>
        p{
            width: 200px;
            height: 200px;
            background: cyan;
            border: 10px solid red;
            border-width: 10px 20px 30px 40px;
            border-style: solid dashed dotted double;
            border-color: red blue green pink;
            border-top-width: 5px;
            border-bottom-style: ridge;
            border-left-color: purple;
        }
    </style>
</head>
<body>
    <p>
        一个普通的段落
    </p>
</body>
</html>